APA (7th ed.) Citation

Montessori, M. (2008). Spontaneous Activity in Education. Project Gutenberg.

Chicago Style (17th ed.) Citation

Montessori, Maria. Spontaneous Activity in Education. Project Gutenberg, 2008.

MLA (9th ed.) Citation

Montessori, Maria. Spontaneous Activity in Education. Project Gutenberg, 2008.

Warning: These citations may not always be 100% accurate.